drm/amd/pm: wrapper for postponing some setup job after DAL initializatioa(V2)

So that ASIC specific actions can be added.

V2: better namings
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h

@@ -600,6 +600,7 @@ struct pptable_funcs {
 	int (*gfx_ulv_control)(struct smu_context *smu, bool enablement);
 	int (*deep_sleep_control)(struct smu_context *smu, bool enablement);
 	int (*get_fan_parameters)(struct smu_context *smu);
+	int (*post_init)(struct smu_context *smu);
 };
 
 typedef enum {

drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c

@@ -473,6 +473,12 @@ static int smu_late_init(void *handle)
 	if (!smu->pm_enabled)
 		return 0;
 
+	ret = smu_post_init(smu);
+	if (ret) {
+		dev_err(adev->dev, "Failed to post smu init!\n");
+		return ret;
+	}
+
 	ret = smu_set_default_od_settings(smu);
 	if (ret) {
 		dev_err(adev->dev, "Failed to setup default OD settings!\n");

drivers/gpu/drm/amd/pm/swsmu/smu_internal.h

@@ -95,6 +95,7 @@
 #define smu_gfx_ulv_control(smu, enablement)				smu_ppt_funcs(gfx_ulv_control, 0, smu, enablement)
 #define smu_deep_sleep_control(smu, enablement)				smu_ppt_funcs(deep_sleep_control, 0, smu, enablement)
 #define smu_get_fan_parameters(smu)					smu_ppt_funcs(get_fan_parameters, 0, smu)
+#define smu_post_init(smu)						smu_ppt_funcs(post_init, 0, smu)
 
 #endif
 #endif